*{
    padding: 0;
    margin: 0;
}
html,body{
    height: 100%;
    height: 100%;
}
/* 标题 */
#header{
    width: 100%;
    height: 44px;
    font-size:20px;
    line-height: 44px;
    text-align: center;
}
/* 内容 */
#main{
    width: 100%;
    height: 100%;
    background:url('../imgs/广告.png');
    background-size: 100%;
    position:absolute;
}
/* 广告时间和跳过按钮 */
.timeBox{
    width: 25%;
    height: 40px;
    border-radius: 20px;
    background-color: #fff;
    line-height: 40px;
    display: flex;
    justify-content: center;
    position: fixed;
    top: 72px;
    right: 14px;
    cursor: pointer;
}
.timeBox span{
    display: inline-block;
    width: 30px;
    height: 60%;
    text-align: center;
    border-right: 1px solid #ccc;
    position: relative;
    top: 7px;
    left: -8px;
    line-height: 28px;
    font-size: 14px;
}
.timeBox a{
    text-decoration: none;
    font-size: 14px;
    color: black;
}
/* 字母 */
#main p{
    text-align: center;
    color: #fff;
    font-weight: bold;
    position: relative;
    right: 0;
    animation: run 2s forwards;
}
@keyframes run {
    0%{
        bottom: -460px;
        opacity: 0;
        font-size: 0px;
    }
    50%{
        bottom: -610px;
        opacity: 0.5;
        font-size: 60px;
    }
    100%{
        bottom: -560px;
        opacity: 1;
        font-size: 48px;
    }
}